<table>
  <thead>
    <tr>
      <th>姓名</th>
      <th>年龄</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>张三</td>
      <td>23</td>
    </tr>
    <tr>
      <td>李四</td>
      <td>45</td>
    </tr>
  </tbody>
  <tfoot>
    <tr>
      <td colspan="2">1-2-3</td>
    </tr>
  </tfoot>
</table>